package exception;

public class FinallyDemo {
    public static void main(String[] args) {

        System.out.println("程序开始了");
        try{
//            String str = null;
            String str = "abc";
            System.out.println(str.length());
            return;

        }catch (NullPointerException e){
            System.out.println("出错了");
        }finally {
            System.out.println("finally中的代码执行了");
        }

        System.out.println("程序结束了");


    }
}
